On Solving Singular Multi Point Boundary Value Problems with Nonlocal Condition. Iraqi Journal of Science, [S. l.], v. 56, n. 4A, p. 2959–2965, 2023. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9533.. Acesso em: 11 apr. 2025.